--- config.def.h
+++ config.def.h
@@ -5,6 +5,14 @@ static const unsigned int borderpx  = 1;        /* border pixel of windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const int showbar            = 1;        /* 0 means no bar */
 static const int topbar             = 1;        /* 0 means bottom bar */
+
+/*   Display modes of the tab bar: never shown, always shown, shown only in */
+/*   monocle mode in presence of several windows.                           */
+/*   Modes after showtab_nmodes are disabled                                */
+enum showtab_modes { showtab_never, showtab_auto, showtab_nmodes, showtab_always};
+static const int showtab            = showtab_auto; /* Default tab bar show mode */
+static const Bool toptab            = False;    /* False means bottom tab bar */
+
 static const char *fonts[]          = { "monospace:size=10" };
 static const char dmenufont[]       = "monospace:size=10";
 static const char col_gray1[]       = "#222222";
@@ -18,9 +26,15 @@ static const char *colors[SchemeLast][3]      = {
 	[SchemeSel] =  { col_gray4, col_cyan,  col_cyan  },
 };
 
+
 /* tagging */
 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
 
+/* default layout per tags */
+/* The first element is for all-tag view, following i-th element corresponds to */
+/* tags[i]. Layout is referred using the layouts array index.*/
+static int def_layouts[1 + LENGTH(tags)]  = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
 static const Rule rules[] = {
 	/* xprop(1):
 	 *	WM_CLASS(STRING) = instance, class